Pit-type furnaces with air circulation offer the benefit of easy charging of heavy parts or baskets and are used in the same applications as the chamber furnaces described above: steel tempering after hardening, but also for precipitation hardening/curing, quenching and tempering, solution annealing, artificial aging, preheating and soft annealing, etc. Protective gas boxes with or without a vacuum lid as well as charging baskets and charging aids are available for a wide range of applications.

Tmax. 450 °C, 650 °C or 850 °C

Stainless steel interior

Hot air blower integrated in floor, high air speed

Vertical air guidance

Optimal temperature uniformity in accordance with DIN 17052-1 up to ΔT 6 K in usable space

Additional Equipment

Charging aid mounted on side of furnace

Cooling platform

Article no.

Model

Tmax

Inner dimensions in mm

Volume

Exterior dimensions in mm

Supply

Electrical

Weight

Controller B 150

Controller C 290

°C

w

d

h

in l

W

D

H

power/kW

connection*

in kg

001353100

001353150

S 30/45A

450

300

250

400

30

520

460

920

3,6

1-phase

130

001353200

001353250

S 60/45A

450

350

350

500

60

570

560

1020

6,6

3-phase

225

001353300

001353350

S 120/45A

450

450

450

600

120

670

660

1120

9,6

3-phase

280

001353400

001353450

S 250/45A

450

600

600

750

250

820

810

1350

19,0

3-phase

750

001353500

001353550

S 500/45A

450

750

750

900

500

970

960

1500

28,0

3-phase

980

001354100

001354150

S 30/65A

650

300

250

400

30

530

520

1020

6,0

3-phase¹

130

001354200

001354250

S 60/65A

650

350

350

500

60

580

620

1120

9,6

3-phase

225

001354300

001354350

S 120/65A

650

450

450

600

120

680

720

1220

13,6

3-phase

280

001354400

001354450

S 250/65A

650

600

600

750

250

830

870

1450

21,0

3-phase

750

001354500

001354550

S 500/65A

650

750

750

900

500

980

1020

1600

31,0

3-phase

980

001355100

001355150

S 30/85A

850

300

250

400

30

600

740

1000

6,0

3-phase¹

130

001355200

001355250

S 60/85A

850

350

350

500

60

710

840

1100

9,6

3-phase

225

001355300

001355350

S 120/85A

850

450

450

600

120

810

940

1200

13,6

3-phase

280

001355400

001355450

S 250/85A

850

600

600

750

250

960

1090

1350

21,0

3-phase

750

001355500

001355550

S 500/85A

850

750

750

900

500

1100

1240

1500

31,0

3-phase

980

¹Heating only beetween two phases *Please see page 32 for more information about mains voltage